Home / 1,022,219.96-1,409,706.69-807,872.09

Finding the Fourth Proportional to 1,022,219.96, 1,409,706.69 and 807,872.09

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Solution

The fourth proportional to 1,022,219.96, 1,409,706.69 and 807,872.09 is: 1,114,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,219.96 : 1,409,706.69 = 807,872.09 : x
  2. Step 2: Convert to fraction form
    1,022,219.96/1,409,706.69 = 807,872.09/x
  3. Step 3: Cross multiply
    1,022,219.96x = 1,409,706.69 × 807,872.09
  4. Step 4: Simplify right side
    1,022,219.96x = 1,138,862,682,888.75
  5. Step 5: Solve for x
    x = 1,138,862,682,888.75/1,022,219.96
  6. Step 6: Final answer
    x = 1,114,107.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.